F21 heavyweight torpedoes
E924755
F21 heavyweight torpedoes are advanced, wire-guided, long-range torpedoes developed by France for engaging surface ships and submarines with high speed and precision.
All labels observed (1)
| Label | Occurrences |
|---|---|
| F21 heavyweight torpedoes canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11425393 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: F21 heavyweight torpedoes Context triple: [Suffren-class nuclear attack submarines, armament, F21 heavyweight torpedoes]
-
A.
Spearfish heavyweight torpedoes
Spearfish heavyweight torpedoes are advanced British submarine-launched torpedoes designed for high-speed, long-range engagement of both surface ships and submarines.
-
B.
Mark 48 torpedoes
Mark 48 torpedoes are heavyweight, wire-guided, submarine-launched torpedoes used by several navies for anti-submarine and anti-surface warfare.
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C.
Sting Ray torpedo
The Sting Ray torpedo is a British lightweight anti-submarine torpedo designed for deployment from helicopters, fixed-wing aircraft, and surface ships.
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D.
UGM-84 Harpoon anti-ship missiles
The UGM-84 Harpoon is a submarine-launched, all-weather, over-the-horizon anti-ship cruise missile widely used by Western navies for engaging surface vessels.
-
E.
Type 93 Long Lance torpedo
The Type 93 "Long Lance" torpedo was a highly advanced, oxygen-fueled Japanese naval torpedo of World War II, renowned for its exceptional range, speed, and destructive power.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: F21 heavyweight torpedoes Target entity description: F21 heavyweight torpedoes are advanced, wire-guided, long-range torpedoes developed by France for engaging surface ships and submarines with high speed and precision.
-
A.
Spearfish heavyweight torpedoes
Spearfish heavyweight torpedoes are advanced British submarine-launched torpedoes designed for high-speed, long-range engagement of both surface ships and submarines.
-
B.
Mark 48 torpedoes
Mark 48 torpedoes are heavyweight, wire-guided, submarine-launched torpedoes used by several navies for anti-submarine and anti-surface warfare.
-
C.
Sting Ray torpedo
The Sting Ray torpedo is a British lightweight anti-submarine torpedo designed for deployment from helicopters, fixed-wing aircraft, and surface ships.
-
D.
UGM-84 Harpoon anti-ship missiles
The UGM-84 Harpoon is a submarine-launched, all-weather, over-the-horizon anti-ship cruise missile widely used by Western navies for engaging surface vessels.
-
E.
Type 93 Long Lance torpedo
The Type 93 "Long Lance" torpedo was a highly advanced, oxygen-fueled Japanese naval torpedo of World War II, renowned for its exceptional range, speed, and destructive power.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
anti-ship weapon
ⓘ
anti-submarine weapon ⓘ heavyweight torpedo ⓘ wire-guided torpedo ⓘ |
| category |
French naval weapon
ⓘ
submarine-launched torpedo ⓘ |
| countryOfOrigin | France ⓘ |
| designedBy |
Naval Group engineers
ⓘ
linked to:
Naval Group
|
| designedFor | French Navy ⓘ |
| designedForEnvironment |
blue-water operations
ⓘ
littoral waters ⓘ |
| designedToEngage |
submarines
ⓘ
surface ships ⓘ |
| developer | Naval Group ⓘ |
| exportDesignation | F21 ⓘ |
| feature |
advanced signal processing
ⓘ
counter-countermeasure capability ⓘ fiber-optic guidance wire ⓘ high speed ⓘ long-range engagement capability ⓘ programmable attack profiles ⓘ |
| formerName | Artemis ⓘ |
| guidancePhase |
autonomous terminal homing phase
ⓘ
wire-guided mid-course phase ⓘ |
| guidanceType |
active/passive acoustic homing
ⓘ
wire-guided ⓘ |
| intendedPlatform | submarines ⓘ |
| intendedTargetType |
submerged submarines
ⓘ
surface combatants ⓘ |
| launchPlatformType |
conventional attack submarines
ⓘ
nuclear-powered submarines ⓘ |
| munitionClass | heavyweight torpedo class ⓘ |
| propulsionType | electric propulsion ⓘ |
| purpose |
engage high-value naval targets
ⓘ
provide advanced self-defense for submarines ⓘ |
| replaces | F17 Mod 2 torpedo ⓘ |
| role | primary heavyweight torpedo of the French Navy ⓘ |
| status | in service ⓘ |
| technologyGeneration | new-generation torpedo ⓘ |
| usedIn | undersea warfare ⓘ |
| user |
Brazilian Navy
ⓘ
French Navy ⓘ |
| warheadType | high-explosive warhead ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: F21 heavyweight torpedoes Description of subject: F21 heavyweight torpedoes are advanced, wire-guided, long-range torpedoes developed by France for engaging surface ships and submarines with high speed and precision.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.